Which one of the following, if substituted for the condition that Fan and Haley cannot visit the same city as each ot...

Hunter on May 22 at 02:56PM

An easier explanation

Hi, is there an easier explanation for this question? Since it's the last question, I'm usually down to the wire, or I'm having to guess. Are there are any tricks or hints for these types of questions? I know these are supposed to be hard, but sometimes they seem impossible with the time remaining.

1 Reply

Filippo on June 14 at 05:44PM

I also would like a more clearer explanation than the previous one. Thank you!